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A tanning peptide called Melanotan II — nicknamed the "Barbie drug" online — is drawing fresh safety worries. Reports and health officials are flagging problems after people buy it online and use it without medical oversight. The concerns focus on side effects and the fact that these products are often unregulated and mislabelled. Melanotan II is a lab-made molecule that tricks your body into producing more melanin, the pigment that darkens skin. It’s not a sunscreen and doesn’t block UV rays; instead, it nudges the pigment-making system so skin can tan more easily. People inject it or take it in other ways to get a longer-lasting tan without as much sun exposure. It is not an approved medication for tanning in most countries. Recent reports and warnings are mostly based on case reports and consumer complaints rather than large, controlled clinical trials. That means we’re often hearing about individual people who experienced side effects, such as nausea, darkening of moles, or other unexpected reactions. Because much of the supply comes from unregulated online sellers, the exact dose and purity of what people are using are frequently unknown. There isn’t strong evidence from big human studies proving it’s safe or effective over the long term. This matters because people may be taking a product that changes their skin and hormones without understanding the risks. Anyone considering such products should know they’re experimenting on themselves with something that hasn’t passed standard safety checks. People who want a tan, or those trying to avoid sun damage, might see this as an alternative — but the trade-offs aren’t well understood, and the immediate convenience could come with medical consequences. The main caveats are significant. Melanotan II is not approved by major drug regulators for cosmetic tanning, so there’s no guaranteed manufacturing quality or accurate labeling. Reported side effects include nausea, facial flushing, decreased appetite, and changes in mole color or new skin lesions — which could mask or mimic skin cancer warning signs. Injection use raises infection risks if not done sterilely. We also lack long-term safety data, so unknown risks may emerge over time. Doctors generally advise against using unapproved peptides purchased online. Bottom line: Melanotan II may darken skin, but buying and using it outside medical supervision comes with unclear benefits and real safety concerns.
Source: MSN